<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>购物车</title>

	<%-- 静态包含 base标签、css样式、jQuery文件 --%>
	<%@ include file="/pages/common/head.jsp"%>
<script type="text/javascript">
	$(function (){

		$("a.deleteItem").click(function (){
			return confirm("确定要删除【"+ $(this).parent().parent().find("td:first").text() +"】吗？")
		})

		$("#clearCart").click(function (){
			return confirm("确定要清空购物车吗？")
		})

		$("input.updateCount").change(function (){
			// 获取商品名称
			var name = $(this).parent().parent().find("td:first").text();
			var id = $(this).attr('bookId');
			// 获取商品数量
			var count = this.value;
			if ( confirm("你确定要将【" + name + "】商品修改数量为：" + count + " 吗?") ) {
				//发起请求。给服务器保存修改
				location.href = "http://localhost:8080/book/cartServlet?action=updateCount&count="+count+"&id="+id;
			} else {
				// defaultValue属性是表单项Dom对象的属性。它表示默认的value属性值。
				this.value = this.defaultValue;
			}
		})
	})
</script>
</head>
<body>
<div id="header">
	<img class="logo_img" alt="" src="static/img/1.gif" >
	<span class="wel_word">购物车</span>

	<%--静态包含，登录 成功之后的菜单 --%>
	<%@ include file="/pages/common/login_success_menu.jsp"%>
</div>

<div id="main">

	<table>
		<tr>
			<td>商品名称</td>
			<td>数量</td>
			<td>单价</td>
			<td>金额</td>
			<td>操作</td>
		</tr>
		<c:if test="${empty sessionScope.cart}">
			<%--如果购物车空的情况--%>
			<tr>
				<td colspan="5"><a href="index.jsp">亲，当前购物车为空！快跟小伙伴们去浏览商品吧！！！</a> </td>
			</tr>
		</c:if>
		<c:if test="${not empty sessionScope.cart.items}">
		<%--如果购物车非空的情况--%>
			<c:forEach items="${sessionScope.cart.items}" var="entry">
				<tr>
					<td>${entry.value.name}</td>
					<td>
						<input class="updateCount" style="width: 80px;"
							   bookId="${entry.value.id}"
							   type="text" value="${entry.value.count}">
					</td>
					<td>${entry.value.price}</td>
					<td>${entry.value.totalPrice}</td>
					<td><a class="deleteItem" href="cartServlet?action=delete&id=${entry.value.id}">删除</a></td>
				</tr>
			</c:forEach>
		</c:if>
	</table>
	<%--如果购物车非空才输出页面的内容--%>
	<c:if test="${not empty sessionScope.cart.items}">
		<div class="cart_info">
			<span class="cart_span">购物车中共有<span class="b_count">${sessionScope.cart.totalCount}</span>件商品</span>
			<span class="cart_span">总金额<span class="b_price">${sessionScope.cart.totalPrice}</span>元</span>
			<span class="cart_span"><a id="clearCart" href="cartServlet?action=clear">清空购物车</a></span>
			<span class="cart_span"><a href="orderServlet?action=createOrder">去结账</a></span>
		</div>
	</c:if>

</div>


<%--静态包含页脚内容--%>
<%@include file="/pages/common/footer.jsp"%>


</body>
</html>